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SS201820B121

20mm Super-O Boyer Watch Band compatible with Seiko SPB143 63Mas 40.5mm, 316L Stainless Steel Brushed V-Clasp

  • This Super-O Boyer watch band with a curved solid end pieces perfectly fit SEI 63Mas - SEI Prospex SPB143, SPB145, SPB147, SPB149 with Dia. 40.5mm, the interpretations of SEI's First 62MAS models. Super-O Boyer watch band is a new breakthrough of our O Boyer Collection. Same as O Boyer, this Super-O Boyer composed of 3 flat and solid 316L stainless steel units plus highlighted 3D effect curved solid end pieces. This well-built replacement bracelet was assembled by screw-in adjustable details instead of flimsy pressure pins. Watch band is tapering to 18mm buckle width. (Compatible with original SEI 18mm buckle, if you want to install your original SEI clasp, please checks the size of your SEI clasp first.) This item includes one pair of FAT spring bar (Generic SEI Dia. 2.0mm spring bar) to ensure a more secure connection. Accompany with V-Clasp double lock buttoned diver's clasp. V-Clasp was made from solid 316L stainless steel with extra 6 micro holes for flexible fine tune length adjustment. Featured in V shape safety lock, streamlined form & chamfer edged design to giving a more massive look. Chamfer double locks diver's buckle is ideal for watch band with thickness approximate 4.0 - 5.0mm thickness. Another awesome aftermarket stainless steel watch band for 63MAS Dia. 40.5, 62MAS-inspired Prospex SPB line 200m models. Today replaces your SEI watch into this unique aftermarket bracelet.

    Watch Bands Lookbook demo watches by Strapcode: SEI SPB147 Prospex Diver 62MAS Reissue Black Dial
  • Fit-for model list:

    Compatible with Seiko 63Mas 40.5mm models SPB143, SPB145, SPB147, SPB149, SBDC101, SBDC103, SBDC105, SBDC107

  • Item number: SS201820B121
    Brand Name: Super-O Boyer
    Lug width (mm): 20
    Buckle size (mm): 18
    Buckle Include: Yes
    Buckle type / Buckle Finish: 316L Stainless Steel Solid V-Clasp Double Lock Buttoned Diver Clasp, Brushed
    Overall Length (mm): approx. 185
    Thickness (mm): 3.2
    Spring bar hole dia. (mm): 2.00
    Material: 316L Stainless Steel, all solid links include end links
    Color / Finish: Brushed
    Max. length (mm): approx. 185
    Corresponding Min. length (mm): approx. 110
    Net Weight (gram): approx. 97
    Lug end style: Curved End
    Adjustment type: 6 Screw fixed links & 6 micro holes on clasp

    We recommend using an 1.8mm slotted blade screwdriver for sizing this watch band:

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